![]() ![]() ![]() Recently, new high-temperature superconducting materials such as yttrium-barium-coper oxides are promising to make magnetic confinement more feasible.Ĭhallenges: Tokamaks require extremely strong magnets in the 3 to 20 Tesla range which also require high tolerances. Despite being proposed in 1985, ITER is not projected to be operational until 2035. History: More than 200 tokamaks have been built since the 1960’s, the largest and most ambitious of which is the ~$25 Billion ITER project still being constructed in southern France. ![]() The word “tokamak” is a Russian acronym for “toroidal chamber with axial magnetic field”. In a Tokamak, powerful electromagnetic fields combine with electrical current flowing directly through the plasma to heat and confine the toroidal plasma. High-Level Concept: The most famous embodiment of an MCF device is a tokamak. ![]()
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